Effects of prilled urea, farmyard manure and Azotobater on the cotton– wheat cropping system for realizing higher yield potential on Ustochrepts of Indo-Gangetic plain. (108). Tropical Agriculture, [S. l.], v. 87, n. 3, 2010. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1042. Acesso em: 11 jul. 2025.